284.21% is the change from 38 to 146
Calculation steps:
[( 146 - 38 ) ÷ 38] x 100 = 284.21%
Formula
Percentage change = [(146 - 38) / 38] x 100
Subtract the new number by the original number
146 - 38 = 108
108 ÷ 38 = 2.8421052631578947
2.8421052631578947 x 100 = 284.21%